drwxr-xr-x  2 rsc  users   512 Feb 21  2005 9sys/
drwxr-xr-x  3 rsc  users   512 Feb 21  2005 FreeBSD/
drwxr-xr-x  4 rsc  users   512 Feb 21  2005 Plan9/
drwxr-xr-x  2 rsc  users  1024 Feb 21  2005 Posix/
drwxr-xr-x  5 rsc  users   512 Feb 21  2005 Windows/
-rw-r--r--  1 rsc  users    64 Feb 21  2005 mkfile
drwxr-xr-x  2 rsc  users   512 Feb 21  2005 pm/
drwxr-xr-x  2 rsc  users  3584 Feb 21  2005 port/
drwxr-xr-x  2 rsc  users   512 Feb 21  2005 thread/